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The : basically just tells bash to do nothing with the result of the line. So `: "${ELL_LOG_LEVEL:=2}";` would initialize `ELL_LOG_LEVEL` to 2 if it's not alrea
by pseufaux 2y ago
The : basically just tells bash to do nothing with the result of the line. So `: "${ELL_LOG_LEVEL:=2}";` would initialize `ELL_LOG_LEVEL` to 2 if it's not already set without producing any output.